Woe Strider, Lesser Masticore, and Hardened Academic

Prerequisites

• Woe Strider on the battlefield
• Lesser Masticore on the battlefield
• Hardened Academic on the battlefield

Steps

1. Activate Woe Strider by sacrificing Lesser Masticore
2. When Lesser Masticore dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
3. Hardened Academic triggers, putting a +1/+1 counter on Lesser Masticore
4. Resolve the Woe Strider ability
5. Repeat

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite death triggers
• Infinite creature sacrifice triggers
• Infinite scry 1